Added groupchat topics to uTox.

And other small fixes.

use /topic in a group chat to change the topic.
Merge branch 'master' into debian/unstable
prepare for release

Signed-off-by: Kill Your TV <killyourtv@i2pmail.org>
Fixed possible issue.
Added colors to group chat name list.

People sending audio to the chat have red names, we have a green one.
Merge branch 'master' into debian/unstable
prepare for release

Signed-off-by: Kill Your TV <killyourtv@i2pmail.org>
Group names are now drawn on two lines instead of only one.

It's a bit ugly but you see more names than before.
Added button to send audio to audio group chats.

By default, audio is not sent.
Fixed text bug.
Fixed audio bug.
Fixed group audio bug when switching output devices.
Merge branch 'master' into debian/unstable
prepare for release

Signed-off-by: Kill Your TV <killyourtv@i2pmail.org>
Merge tag 'debian/0.1.8+20141115.r930-1' into ubuntu/trusty

utox Debian release 0.1.8+20141115.r930-1
prepare for release

Signed-off-by: Kill Your TV <killyourtv@i2pmail.org>